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Study
Multiplying/Dividing Rational Expressions
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Multiply. State any restrictions on the variable.
3(x+3)/2(x-2), for all x except -5, -4, 0, 2
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Okay!
Find the product and domain.
1, for all x except 0, 3, 5
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Okay!
Why do you state the domain when simplifying rational expressions?
When the denominator equals 0, fractions are undefined.
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Find the quotient.
y/5
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Simplify.
3(x+4)/(x^2-5)
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Okay!
Multiply.
(4x+9)/3x
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Okay!
What is the simplified form of the rational expression? What is the domain?
(x-6)/(x-3), for all x except -6, 3
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Multiply. State any restrictions on the variable.
1, for all x except -5, -3, 5, 8
Oops!
Okay!
Simplify. State any restrictions on the variable.
(4x+9)/3x, for all x except -2, 0
Oops!
Okay!
Simplify.
(2x-5)/3(x-1) OR (2x-5)/(3x-3)
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Okay!
Find the product and give the domain.
(y+2)/(y-3) for all y except -3, -2, 3
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Okay!
Simplify.
(s+3)/3(s-4)
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Okay!
Simplify. State any restrictions on the variable.
7/x, for all x except -2, 0
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Okay!
Divide.
3(x+4)/(x^2-5)
Oops!
Okay!
Simplify. State any restrictions on the variable.
3(x+3)/2(x-2), for all x except -3, 2
Oops!
Okay!
Simplify.
(s+4)/(s-4)
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Okay!
Describe the errors (2).
The student was supposed to multiply by the reciprocal or state the domain.
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Find the product and domain.
10a, for all a except -1
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Okay!
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